CARBON DIOXIDE METER: Autopilot APCEM2 Desktop CO2 Monitor and Data Logger Monitors carbon dioxide, relative humidity, and temperature of your grow room or greenhouse on a clear LED screen
MEMORY: Digital memory chart shows and records stats over an adjustable 24-hour or 7-day period; The trend chart shows variable Min/Hr/Day/Wk for readings of CO2/RH/Temperature
SENSOR & ALARM: 2-channel low drift NDIR gas sensor and audible alarm for low or high CO2 levels
OPERATING TEMPERATURES: Operates in temperatures 32 to 122 degrees F; Operating and storage relative humidity (RH): 0-95%, noncondensing
FUNCTIONALITY: Features multiple hanging options with the hook-and-loop fastener along the back that attaches to an external battery pack (battery pack not included); Green power supply is compatible with a standard smartphone charger; Dimensions (L
Hydrofarm APCEM2 Autopilot Desktop CO2 Monitor & Data, Data Logger, White/Blue